Build local rig config import

[Deadbytes101]

Add a local RIGOS configuration file that can be edited from Windows on the USB FAT32 partition before boot.

Requirements

• RIGOS owned format
• local only
• strict key value parsing
• never execute the file
• resolve the file from the exact verified boot USB
• prefill the visible first boot UI
• write canonical policy and miner JSON atomically
• include parser tests and malformed input tests
• do not accept cloud account fields remote access fields or administrator passwords
• do not copy the uploaded reference format or its credentials

Proposed fields

RIGOS_CONFIG_VERSION=1
NODE_NAME=rig01
TIMEZONE=Asia/Bangkok
POOL_HOST=gulf.moneroocean.stream
POOL_PORT=10128
POOL_TLS=required
CPU_THREADS=0
HUGE_PAGES=1
WATCHDOG_ENABLED=0
AUTO_START=1

The current alpha four physical test remains separate and must finish before this feature changes the appliance image.